Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e53f9e0ea5bb79e…

MALICIOUS

PDF

39.3 KB Created: 2020-08-17 07:26:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8af72e32cb535159bf88be664cd537d2 SHA-1: 7117814b42145391ce2edb8cc03685f47abba283 SHA-256: 2e53f9e0ea5bb79e7284667c046d75d84fc9abb0311a19367780cd1ceb0fb93b
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on Shopify. The document body, though heavily obfuscated, contains text related to 'Feral druid leveling guide bfa' and the malicious URL, suggesting a lure to a phishing or malware distribution site.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.ru/pify?keyword=feral+druid+leveling+guide+bfa
    • http://files.costaricaherbalmedicine.com/uploads/1/3/0/7/130738548/4325740.pdf
    • http://dironebux.sweetkittyanime.com/uploads/1/3/1/3/131383483/793ee4400e2.pdf
    • http://files.firtreebarn.com/uploads/1/3/0/9/130969965/3d78466db8.pdf
    • http://files.grayduckwatches.com/uploads/1/3/0/7/130739789/4299719.pdf
    • https://cdn.shopify.com/s/files/1/0434/2035/2677/files/saziv.pdf
    • https://cdn.shopify.com/s/files/1/0431/5119/6315/files/perurikegetujefiratetur.pdf
    • https://cdn.shopify.com/s/files/1/0429/2270/5063/files/57939943613.pdf
    • https://cdn.shopify.com/s/files/1/0428/3868/7900/files/legenek.pdf
    • https://cdn.shopify.com/s/files/1/0428/3976/9254/files/82587466082.pdf
    • https://cdn.shopify.com/s/files/1/0436/3033/0019/files/25184599988.pdf
    • https://cdn.shopify.com/s/files/1/0434/2949/4940/files/1001_expressions_pour_tout_dire_en_anglais.pdf
    • https://cdn.shopify.com/s/files/1/0437/7526/2869/files/xadafavarigiviwadosadav.pdf
    • https://cdn.shopify.com/s/files/1/0435/9664/4511/files/buludonagamokamut.pdf
    • https://cdn.shopify.com/s/files/1/0430/3273/9989/files/39877234692.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005e4b.bin
3a5222d659ebac0d463bac712053ad399041a4e45f6fd7d3ca94fbdc91ffda86		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E4B 5052 bytes
font_01_sfnt_off00006f90.bin
859a6cf5060cb1d569d8a13063374a8fead078e15816a5e061948189a1bc4519		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F90 9672 bytes

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